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Publication 1747-SG001D-EN-P — January 2009
Module update time is dependent on the number of channels enabled and the filter
frequency, as illustrated in the table below.
Module Update Times for 1746-NI16I and 1746-NI16V
✶
Assuming all of the enabled channels have the filter frequency shown in the first column.
Module Update Time
✶
Filter
Frequency
16 Channels
Enabled
12 Channels
Enabled
8 Channels
Enabled
4 Channels
Enabled
6 Hz
630 ms
473 ms
314 ms
7 ms
10 Hz
380 ms
285 ms
190 ms
4 ms
20 Hz
194 ms
145 ms
96 ms
4 ms
40 Hz
100 ms
75 ms
50 ms
4 ms
60 Hz
69 ms
52 ms
34 ms
4 ms
80 Hz
54 ms
39 ms
26 ms
4 ms
100 Hz
37 ms
27 ms
18 ms
4 ms
250 Hz
18 ms
13 ms
9 ms
4 ms
Temperature
Modules
SLC 500 Thermocouple/mV Input Modules
All modules interface to thermocouple types J, K, T, E, R, S, B, and N, and also accept
millivolt signals that standard analog modules are not able to detect. The 1746-INT4
module also interfaces with thermocouple types C and D.
All modules provide fully-integrated cold-junction compensation (CJC) to retain
thermocouple input signal accuracy, a choice of input filter frequencies, as well as
fault diagnostics and status LEDs.
Note:
Block transfers are required in a remote I/O configuration, using a 1747-ASB
module with a PLC.
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